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authorWerner Koch <[email protected]>2004-01-24 20:50:49 +0000
committerWerner Koch <[email protected]>2004-01-24 20:50:49 +0000
commit203e1cc272325046388387ef17b10e9d25a2524b (patch)
treea58553935a9500cb20a49010a59b0a22f9db7dac /agent/query.c
parent2004-01-19 Moritz Schulte <[email protected]> (diff)
downloadgnupg-203e1cc272325046388387ef17b10e9d25a2524b.tar.gz
gnupg-203e1cc272325046388387ef17b10e9d25a2524b.zip
* call-scd.c (atfork_cb): New.
(start_scd): Make sure secmem gets cleared. * query.c (atfork_cb): New. (start_pinentry): Make sure secmem gets cleared.
Diffstat (limited to 'agent/query.c')
-rw-r--r--agent/query.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/agent/query.c b/agent/query.c
index 4a051965d..a3a773380 100644
--- a/agent/query.c
+++ b/agent/query.c
@@ -78,6 +78,17 @@ unlock_pinentry (int rc)
return rc;
}
+
+/* To make sure we leave no secrets in our image after forking of the
+ pinentry, we use this callback. */
+static void
+atfork_cb (void *opaque, int where)
+{
+ if (!where)
+ gcry_control (GCRYCTL_TERM_SECMEM);
+}
+
+
/* Fork off the pin entry if this has not already been done. Note,
that this function must always be used to aquire the lock for the
pinentry - we will serialize _all_ pinentry calls.
@@ -139,9 +150,9 @@ start_pinentry (CTRL ctrl)
}
no_close_list[i] = -1;
- /* connect to the pinentry and perform initial handshaking */
- rc = assuan_pipe_connect (&ctx, opt.pinentry_program, (char**)argv,
- no_close_list);
+ /* Connect to the pinentry and perform initial handshaking */
+ rc = assuan_pipe_connect2 (&ctx, opt.pinentry_program, (char**)argv,
+ no_close_list, atfork_cb, NULL);
if (rc)
{
log_error ("can't connect to the PIN entry module: %s\n",